Senior Data Scientist (Availability)

Company: Emerging Travel Group Employment type: FULL_TIME

Description

Lead end-to-end ML projects: task setting -> solution -> testing -> production -> support; Work with data engineers to create datasets and data requirements, assess feasibility, risks, and limitations; Participate in the design and analysis of A/B tests together with data analysts: metrics, splits, interpretation of results, recommendations for rolling out solutions; Develop and train models (classic ML + DL), including solutions for text and image embeddings; conduct offline evaluation and error analysis; Transfer the model and code to production (Python service), support releases and integrations; Be responsible for model quality after launch: metrics, monitoring, drift/degradation, improvement plan, and support regulations

Requirements

• At least 4+ years as a Data Scientist;
• Experience managing end-to-end ML projects in production (from setup to support);
• Experience with DL (PyTorch/TensorFlow): understanding of fine-tuning principles, model inference;
• Python (production quality): readable code, tests for critical components, understanding of model/artifact packaging and integration into the service;
• Understanding of ML monitoring: quality metrics, drift, alerts, diagnostics, and support regulations;
• SQL at the level of independent dataset assembly (joins, window functions);
• Experience with model interpretability and error analysis;
• MLflow / W&B / DVC or similar experiment tracking tools;
• ML stack - classic machine learning algorithms / understanding of basic ranking approaches (pointwise, pairwise) and their practical application / experience with time series would be a plus;
• Conversational English.

Benefits